package test1;

import java.util.AbstractList;
import java.util.Arrays;
import java.util.Map;

public class Test7 {
    public static void main(String[] args) {
        int[] nums = new int[]{1, 5, 2, 5, 2, 5, 3, 4, 8, 9};
        String a = "123";
        String b = "123";

        User user1 = new User("tan");
        User user2 = new User("tanfg");
        user2 = user1;
        System.out.println(user2 == user1);
        System.out.println(user2.hashCode());
        System.out.println(user1.hashCode());
    }

//    public void build_maxheap
//    public void adjust_down(int[] nums ,int n){
//
//    }


}
